Bead for tire-casings.



1.1. MELL.

B EAD FOR TIRE CASINGS.

APPLICATION man FEB. s. 1915.

1 09,605 Patented Dec. 19, 1916.

T0!) MELL, 0E YOUNGSTOWN, QHIO, ASSIGNQR EEELFBiIC RUBBIEE COMPANY,

OF YGUIQFGSTOVH, OHIO, it COBPQBATEON OF OHIO.

FDR TIlEtE-CfiSIHGS.

mum

Patented Dec. 39, 1916.

Application filed February 5, 1916. Serial tin/M3253.

To all u'homc't may concern! Be it known that I, Too 5. Mum, a eiti Zen of the United States, residing at Ymmgstown, in the "county ofl liahoning. and State Ohio have invented certain new and use-- tul Improvements in Beads for Tire-Casings: and I do hereby declare the following t'obe a full, clear, and enact flcscription of he invention, such as will enable others killed in the art to which it sppertait-is to make and usethe same.

My present invention reiaies to tires for Vehicle wheels, and more guirticulariy to pneumatic tire-casings or outer shoes, and still more particularly to the beads which form part of such tire casings at the loose and upon both side thermi'.

llrimaril this iiu'e on has for an ohicct the production of SGQtiOEiill. or spliced the heads of nonstretchablt material as distinguished from beads oi unitary construe tion. and while applic-dde casings r shoes wl'ierein 't'r employed as the tire-beads of ordinary unitary formation.

A further object is the production of tire casings wherein the bead members are more effectually secured in operative position than by any structu 'al arrangement heretofore-known.

W'ith the foregoing; and Other objects and structural advantages in View, the present invention will be hi I rafter particular-l} described, and then pointer; out in the claims follo ing. i

111- die. acccnnpanvins drawings which form part of this. application for Letters Patentand whereon like numerals indicate corresponding parts in both views: Figure 1 is a fragmentary View in side elevation, showing a tire casing" purti v broken away for the purpose of clo in; wear-resisting cords of which the calm in pair-teemposed, end, Fig

view taken through a tire casing embodying the present invention.

Reference being had to the drawings and numerals thereon, 1 indicates the outer rubher surface of a tire casing or shoe, and 2, 3, imderiying cords constituting the wear-resisting medium. The cords 2 and 3, as usual with this class of casings. are by preference first thoroughly impregnated with a rubber solution or-ccinent and then applied in the process of the building toa ringcore (not shown) one layer or series upon another. a an angle of fortyiive deor less, and in superposed layers or series. crossing each other at substantially right angles as shown. The construction disclosed o the present (1 'awing's contemplates a twirpl tirer but obriousl the plies may be inuitiplied indefinitely, and as thus far described in, particular novelty 1S cleimed for the structure.

i tttaching beads of suitable cross-sectional form are provided at the base and upon both sides 1'' the tire carcass. Ordinarily the wear-resisting material such as cords 2 and 3or friction fabric when used s materially weakened at the beau-attaching localities, by reason of the factthat such mate rial instead of continuing through the beads inst night lines, is turned almost at right angles in passing around the outer edges of such beads. In cimtradistinction to this the present invention provides for extending the wear-resisting material from the body of the tire carcass through the tire-beads in substantially straight lines, or in other words, directly in line with the pull or strain to which said material is subjected when in use.

l'ith the latter object in View therefore, the present invention contemplates the production of what may be termed sectional or spliced tire-beads, each comprising an annular outer bead member 4:, of a cross sectional form best suited to meet requirements of either clencher beads as shown, or straight. side beads: an annular inner head suitable but on the contrary forms the subject matter of a separate application for Letters 'Patent. However, as shown by Fig. 2, the

wear=resisting cords 2 and 3 continuing in substantially straight lines from the body of casing pass centrally between and beneath the annular bead members i and 5, respecing orsplicing the said bead members and filler ring together,

When formedsubstantially as shown and claim and desire to secure by Letters Patent is: p

'1. A bead iforitire casings bisected cir; 55,

described the .tire carcass, including the improved sectional bead members 4, 5 and 6,

isthereupon subjected tothe usual process of vulcanization, which. results in .a complete and homogeneous structure,.the purposesand functions whereof are ,too well understood to re'quirejmore than passing comment. may be noted, however, as 18 well understood by persons skilled in the art to which this invention relates, that the greatest" strain or pull upon tire casings, occasioned by the internal air pressure, andalso by the weight of a load resting upon thei'rtread' surfaces, is a radial outwardly diverging strain, such as indicated by dotted lines in Fig. 2 of the drawings from A to B. And

it will also be noted in connection. with the present structure, that such strain or pull is equally distributed between-the several. series of cords 2 and 3, or sheets of friction fabric when. used, orother wear-resisting material, regardless of the number of plies,

,this pull and strain being effected in straight lines directly from the base of .the

bead members and base of the entire structure; as distinguished from ordinary casings'wherein the wear-resistlng material is divided and wrapped completely around the l my invention, which tial crimp in its outer edges, and subjecting its inner edges to undue strain.

The invention being substantially ashere.- inset forth, it should be understood'that I do not limit myself to the articular arrangement and combination 0 parts Shown and described, since these may bevariously modified, changed and rearranged without in the least departing from the spirit of Having been thus described, what I now sitely foldedben'eath the base of said bead.

2. A. the carcass including fastening beads at its base, in comblnation with suitt able wear-res'isting material extending from the-body of said carcass through its fasten ing beads in substantially straight lines and terminating in oppositely disposed folds, je'mbracing'the baseof said beads.

. 3. A tire carcass including fastening beads comprising a cluster of parallel Bead members, in combination with wear-resisting cords extending from the body of said carcass through its fastening beads in sub stantially'straight lines and terminating oppositely disposed cord strands embracing the base'of said beads.

1 In testimony whereof I TOD J; MELL.

Witnesses:

M. H. DANIELS, A. Em.

aflix my signature, in presence of two subscribing witnesses. 

